# Count the number of 'W' and 'L' within each season
win_loss_counts = nets[nets['PLAY_TYPE'] == 2].groupby(['SEASON', 'WL']).size().unstack(fill_value=0).reset_index()
win_loss_counts['W_L_PERC'] = win_loss_counts['W'] / (win_loss_counts['W'] + win_loss_counts['L'])
win_loss_counts
# Create a line plot using Plotly
fig = px.line(win_loss_counts, x='SEASON', y='W_L_PERC', markers=True,
labels={'value': 'Percentage', 'SEASON': 'Season'})
# Update layout to position the title in the middle bottom
fig.update_layout(
title={
'text': 'Nets W-L% over Regular Seasons since 1990',
'y': 0.02, # Adjust this value to position the title vertically (0.02 is near the bottom)
'x': 0.5, # Center the title horizontally
'xanchor': 'center',
'yanchor': 'bottom'
}
)
# Update layout for better visualization
fig.update_layout(
xaxis_title='Season',
yaxis_title='Percentage',
hovermode='x unified',
template='plotly_dark'
)
# Customize hover template to show percentage rounded to two decimals
fig.update_traces(
hovertemplate='<b>Season</b>: %{x}<br>' +
'<b>Percentage</b>: %{y:.2f}<extra></extra>'
)
# Add a vertical line at the year 2016
fig.add_shape(dict(type='line', x0=2016, y0=0, x1=2016, y1=1, xref='x', yref='paper', line=dict(color='red', width=2)))
# Add a horizontal line at percentage .5 to indicate a "good" regular season
# where they win at least half of their games
fig.add_shape(dict(type='line', y0=0.5, y1=0.5, x0=0, x1=1, xref='paper', yref='y', line=dict(color='green', width=1)))
# Add annotation to the red line
fig.add_annotation(dict(x=2016, y=1, xref='x', yref='paper', text='Sean Marks', showarrow=True, arrowhead=2, ax=0, ay=-40, font=dict(color='white')))
# Add a vertical line at the year 2010
fig.add_shape(dict(type='line', x0=2010, y0=0, x1=2010, y1=1, xref='x', yref='paper', line=dict(color='red', width=2)))
# Add annotation to the red line
fig.add_annotation(dict(x=2010, y=1, xref='x', yref='paper', text='Billy King', showarrow=True, arrowhead=2, ax=0, ay=-40, font=dict(color='white')))
# Add a vertical line at the year 2000
fig.add_shape(dict(type='line', x0=2000, y0=0, x1=2000, y1=1, xref='x', yref='paper', line=dict(color='red', width=2)))
# Add annotation to the red line
fig.add_annotation(dict(x=2000, y=1, xref='x', yref='paper', text='Rod Thorn', showarrow=True, arrowhead=2, ax=0, ay=-40, font=dict(color='white')))
# Add a vertical line at the year 2008
fig.add_shape(dict(type='line', x0=2008, y0=0, x1=2008, y1=1, xref='x', yref='paper', line=dict(color='red', width=2)))
# Add annotation to the red line
fig.add_annotation(dict(x=2008, y=1, xref='x', yref='paper', text='Kiki Vandeweghe', showarrow=True, arrowhead=2, ax=-35, ay=-40, font=dict(color='white')))
# Add a vertical line at the year 1990
fig.add_shape(dict(type='line', x0=1990, y0=0, x1=1990, y1=1, xref='x', yref='paper', line=dict(color='red', width=2)))
# Add annotation to the red line
fig.add_annotation(dict(x=1990, y=1, xref='x', yref='paper', text='Willis Reed', showarrow=True, arrowhead=2, ax=-35, ay=-40, font=dict(color='white')))
# Add a vertical line at the year 2008
fig.add_shape(dict(type='line', x0=1996, y0=0, x1=1996, y1=1, xref='x', yref='paper', line=dict(color='red', width=2)))
# Add annotation to the red line
fig.add_annotation(dict(x=1996, y=1, xref='x', yref='paper', text='John Nash', showarrow=True, arrowhead=2, ax=-35, ay=-40, font=dict(color='white')))
fig.show()
# Here's a timeline of the General Managers (GMs) of the Brooklyn Nets:
# According to https://www.retroseasons.com/teams/brooklyn-nets/history/general-managers/
# 1967-1970: Max Zaslofsky
# 1970-1972: Herb Brown
# 1972-1975: Lou Carnesecca
# 1975-1987: Bob MacKinnon
# 1987-1990: Harry Weltman
# 1990-1996: Willis Reed
# 1996-2000: John Nash
# 2000-2008: Rod Thorn
# 2008-2010: Kiki Vandeweghe
# 2010-2016: Billy King
# 2016-present: Sean Marks
